CN206635289U - A kind of car of coke oven three interlocks PLC control devices - Google Patents
A kind of car of coke oven three interlocks PLC control devices Download PDFInfo
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- CN206635289U CN206635289U CN201720319111.8U CN201720319111U CN206635289U CN 206635289 U CN206635289 U CN 206635289U CN 201720319111 U CN201720319111 U CN 201720319111U CN 206635289 U CN206635289 U CN 206635289U
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- coke
- signal
- interlocking
- contactor
- pushing
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Abstract
It the utility model is related to a kind of car of coke oven three interlocking PLC control devices, coke pushing signal section is sent including coke guide, coke quenching cart sends coke pushing signal section, interchanger master control room interlocking part and pusher machine receive interlocking signal part, in interchanger master control room interlocking part, the opened point series connection of the normally opened contact and coke quenching cart interlocking signal of coke guide interlocking signal contactor, above-mentioned two normally opened contact is in parallel with the normally opened contact of PLC output relays again, co- controlling sends the contactor of coke pushing interlocking signal, the utility model ensure that the stability of three cars interlocking, interlock failure rate is reduced, interlocking signal is run steadily in the long term, reach safety, the purpose of steady production, reduce security incident, so as to not influence to produce, safe operating levels and the coke pushing operational administrative for improving coke oven are horizontal；Input cost is very cheap, and control is simple, easy to maintenance.
Description
Technical field
A kind of car of coke oven three interlocking PLC control devices are the utility model is related to, especially a kind of achievable dual interlock
The car of coke oven three interlocks PLC control devices, belongs to coke oven production control field.
Background technology
The interlocking of three cars is the interlocking between coke quenching cart, coke guide, pusher machine.For coke oven production, the interlocking of three cars is outstanding
To be important, the abnormal of three cars interlocking can cause red burnt landing burning apparatus, or even coke guide is overthrown, and cause security incident,
Great economic loss is produced, so the problem of normal use for ensureing the interlocking of three cars is extremely important.
The most car of coke oven three interlocking major part employs single PLC and automatically controlled at present.Controlled using single PLC
System can only ensure interlocking signal input and output normally and PLC it is normal in the case of, three car interlocking signals ability normal use so that
Three cars interlocking can not run steadily in the long term, when input and output are abnormal, PLC failures when interlocking can not use.Three cars interlock not
Enough perfect, tightness is inadequate, poor reliability, the defects of certain be present, therefore, is badly in need of a kind of car of coke oven three of structure optimization at present
Interlock PLC control devices.
The content of the invention
For the tightness for ensureing the operation steady in a long-term of three cars interlocking, adding the interlocking of three cars, perfect three cars interlocking
Control.Reach the purpose of safe and stable production, reduce security incident, so as to not influence to produce.The utility model optimizes original
Some interlocks, intrinsic leak is compensate for, increase dual interlock, concrete scheme is as follows：
A kind of car of coke oven three interlocks PLC control devices, including coke guide sends coke pushing signal section, coke quenching cart sends coke pushing
Signal section, interchanger master control room interlocking part and pusher machine receive interlocking signal part, in interchanger master control room interlocking part,
The opened point series connection of the normally opened contact and coke quenching cart interlocking signal of coke guide interlocking signal contactor, above-mentioned two normally opened contact is again
In parallel with the normally opened contact of PLC output relays, co- controlling sends the contactor of coke pushing interlocking signal.Interchanger interlocked control
In circuit coke guide interlocking signal KMLJ, coke quenching cart interlocking signal KMXJ series connection again with interlocking PLC signals KA1 co- controllings in parallel
Send interlocking signal contactor KMTJ.Electric interlock signal and PLC output interlocking signal dual interlocks, as long as two interlockings are kept
One interlocking is present, and coke pushing interlocking signal would not interrupt.
Further, the normally opened contact of coke guide interlocking signal contactor, coke quenching cart interlocking signal opened point and send
The contactor series connection of coke pushing interlocking signal, the normally opened contact of PLC output relays and the contactor string for sending coke pushing interlocking signal
Connection.In the case of relay is inc, blocks burnt interlocking signal and remained closed with quenching interlocking signal, coke pushing interlocking contactor not by
To influence.
Further, the coke guide, which sends coke pushing signal section, includes the first normally closed scram button and the first jerk
First normally closed button of button series connection, the first normally opened button connected with the first normally closed button, control are blocked the first of burnt signal and sent out
Go out control contactor, signal coke guide send interlocking signal the first indicator lamp and control coke guide signal power source switch first
Breaker.
Further, the coke quenching cart, which sends coke pushing signal section, includes the second normally closed scram button and the second jerk
Second normally closed button of button series connection, the second normally opened button connected with the second normally closed button, control are blocked the second of burnt signal and sent out
Go out control contactor, signal coke quenching cart send interlocking signal the second indicator lamp and control coke guide signal power source switch second
Breaker.
Further, the interchanger master control room interlocking part also exports including control interchanger and gives pusher machine signal power source
3rd breaker of switch.
Further, the pusher machine receives interlocking signal part and includes receiving the 3rd of permission coke pushing signal on pusher machine
The 4th control contactor of the forward action of pushing ram and signal allow the 3rd of coke pushing to refer on control contactor, control pusher machine
Show lamp.
The beneficial effects of the utility model are as follows：
（1）Interlocking signal dual interlock is exported by electric interlock signal and PLC so that as long as two interlockings are kept for one
Interlocking, which has coke pushing interlocking signal, to be interrupted.
（2）The normal use of interlocking is also can guarantee that even if PLC failures, ensure that the stability of three cars interlocking, interlock failure
Rate is reduced, and interlocking signal is run steadily in the long term, reaches the purpose of safe and stable production, reduces security incident, so as to not influence to give birth to
Production, safe operating levels and the coke pushing operational administrative for improving coke oven are horizontal.
（3）Input cost is very cheap, and control is simple, easy to maintenance.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams that coke guide sends coke pushing signal section；
Fig. 2 is the circuit theory diagrams that coke quenching cart sends coke pushing signal section；
Fig. 3 is the circuit theory diagrams of interchanger master control room interlocking part；
Fig. 4 is the circuit theory diagrams that pusher machine receives interlocking signal part.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the present embodiment is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only to a part of example of the utility model, rather than the example of whole.Base
Embodiment in the utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not paid
There is other embodiment, belong to the scope of the utility model protection.
As Figure 1-4, the car of the coke oven three interlocking PLC control devices of the present embodiment, including coke guide send coke pushing signal
Part 1, coke quenching cart send coke pushing signal section 2, interchanger master control room interlocking part 3 and pusher machine and receive interlocking signal part
4, wherein, interchanger master control room interlocking part 3 is most critical part, increases an electric interlocking installation wherein, by coke guide
The series connection of the opened point of the normally opened contact of interlocking signal contactor and coke quenching cart interlocking signal contactor, then with PLC output relays
Opened point Parallel Control send the contactor of coke pushing interlocking signal.Can be that the normally opened of coke guide interlocking signal contactor touches
Point, coke quenching cart interlocking signal opened point and send coke pushing interlocking signal contactor series connection, PLC output relays it is normally opened touch
Point is connected with sending the contactor of coke pushing interlocking signal, this ensure that the dual interlock of coke pushing interlocking signal.
Fig. 1 coke guide is sent in coke pushing signal section, including the first normally closed scram button SB1, is pressed with the first jerk
First normally closed button SB2 of button series connection, the first normally opened button SB3 to be connected with the first normally closed button, control and block the of burnt signal
One sends control contactor KM1, signal coke guide sends the first indicator lamp HL1 of interlocking signal and controls coke guide signal power source
First circuit breaker Q F1 of switch, in addition to 380V power supplys AC.In emergency circumstances coke guide disconnects interlocking to first scram button SB1
Signal；Coke guide stops interlocking signal to first normally closed button SB2 under normal circumstances；First normally opened button SB3, which sends coke guide, to be permitted
Perhaps coke pushing signal.
Fig. 2 coke quenching cart is sent in coke pushing signal section, including the second normally closed scram button SB4, is pressed with the second jerk
Second normally closed button SB5 of button series connection, the second normally opened button SB3 to be connected with the second normally closed button, control and block the of burnt signal
Two send control contactor KM2, signal coke quenching cart sends the second indicator lamp HL2 of interlocking signal and control coke guide signal power source
Second circuit breaker Q F2 of switch, in addition to 380V power supplys AC.In emergency circumstances coke quenching cart disconnects interlocking to second scram button SB4
Signal；Coke quenching cart stops interlocking signal to second normally closed button SB5 under normal circumstances；Second normally opened button SB3, which sends coke quenching cart, to be permitted
Perhaps coke pushing signal.
In Fig. 3 interchanger master control room interlocking part, coke guide interlocking signal contactor KMLJ receives in interchanger to be blocked
Burnt car allows to act during signal, and coke quenching cart interlocking signal contactor KMXJ is received when coke quenching cart allows signal in interchanger and moved
Make, interlocking signal contactor KMTJ receives to block in interchanger sends coke pushing signal when burnt and quenching allows signal to pusher machine；
Exported when radio signal allows coke pushing through PLC, it is not that auxiliary reclay KA1 associates with to device very greatly, in drawing not
Show；Circuit breaker Q F3 control interchangers export to be switched to pusher machine signal power source, in addition to 380V power supplys AC.
Fig. 4 pusher machine is received in interlocking signal part, including the 3rd control for allowing coke pushing signal is received on pusher machine
The 4th control contactor KM3001 of the forward action of pushing ram and signal allow coke pushing on contactor KM3 processed, control pusher machine
The 3rd indicator lamp HL3；2 points of other actions of expression pusher machine of AB move ahead the interlock connection between acting with being somebody's turn to do coke pushing in figure
Device relation is not very big, not shown in drawing；It is the executive component of most critical in the device for control contactor, control
The forward action of pushing ram on pusher machine.In Fig. 1-4, KD220, KD000 are the alternating current 220V power supply of control circuit.
As Figure 1-4, the course of work of the present utility model is as follows：
Pressed on coke guide and send interlocking signal button SB3 → contactor KM1 coils and obtain electric and self-locking, indicator lamp HL1 is obtained
Electricity → QF1 closes a floodgate, and the normally opened closure electric signals of contactor KM1 are transferred to interchanger through coke guide signal slip makes connecing in interchanger
Tentaculum KMLJ coils obtain electric, opened point closure.
Pressed on coke quenching cart and send interlocking signal button SB6 → contactor KM2 coils and obtain electric and self-locking, indicator lamp HL2 is obtained
Electricity → QF2 closes a floodgate, and the normally opened closure electric signals of contactor KM2 are transferred to interchanger through coke quenching cart signal slip makes connecing in interchanger
Tentaculum KMXJ coils obtain electric, opened point closure.
When contactor KMLJ and KMXJ are closed at, contactor KMTJ coils obtain electric, or PLC receives aerogram
Auxiliary reclay KA1 number is allowed during coke pushing to obtain electric, opened point closure contactor KMTJ coils obtain electric → QF3 and closed a floodgate, contactor
The normally opened closure electric signals of KMTJ are transferred to through pusher machine signal slip obtains the contactor KM3 coils on pusher machine on pusher machine
Electricity, opened point closure.As long as interlocking signal can keep not interrupting when a wherein branch road is connected or two branch roads are all connected, two
Bar branch road is independent of each other, this ensure that the dual interlock of coke pushing interlocking signal.
When the permission coke pushing contactor KM3 on pusher machine obtains electric, opened point closes, it is allowed to which coke pushing indicator lamp HL3 obtains electric carry
Show that the permission coke pushing signal for having been received by coke guide and coke quenching cart can be with coke pushing.Meet when between pusher machine self-condition AB
When, contactor KM3001 obtains electric, the forward action of pushing ram.Special circumstances coke guide is run into coke-pushing process or coke quenching cart is pressed
Scram button SB1 or SB4, interlocking signal disconnect, and stop pushing coke operation and realize three car interlocks.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
1. a kind of car of coke oven three interlocks PLC control devices, including coke guide sends coke pushing signal section, coke quenching cart sends coke pushing letter
Number part, interchanger master control room interlocking part and pusher machine receive interlocking signal part, it is characterised in that：Interchanger master control room joins
In lock section point, the opened point series connection of the normally opened contact and coke quenching cart interlocking signal of coke guide interlocking signal contactor, above-mentioned two
Normally opened contact is in parallel with the normally opened contact of PLC output relays again, and co- controlling sends the contactor of coke pushing interlocking signal.
2. the car of coke oven three according to claim 1 interlocks PLC control devices, it is characterised in that：Coke guide interlocking signal connects
The normally opened contact of tentaculum, the opened point of coke quenching cart interlocking signal and send coke pushing interlocking signal contactor series connection, PLC output after
The normally opened contact of electrical equipment is connected with sending the contactor of coke pushing interlocking signal.
3. the car of coke oven three according to claim 1 or 2 interlocks PLC control devices, it is characterised in that：The coke guide is sent
Coke pushing signal section includes the first normally closed scram button, is connected with the first scram button the first normally closed button, with it is first normal
Close the first normally opened button of button series connection, control blocks the first of burnt signal and sends control contactor, illustrates coke guide to send interlocking
First indicator lamp of signal and the first breaker of control coke guide signal power source switch.
4. the car of coke oven three according to claim 1 or 2 interlocks PLC control devices, it is characterised in that：The coke quenching cart is sent
Coke pushing signal section includes the second normally closed scram button, is connected with the second scram button the second normally closed button, with it is second normal
Close the second normally opened button of button series connection, control blocks the second of burnt signal and sends control contactor, illustrates coke quenching cart to send interlocking
Second indicator lamp of signal and the second breaker of control coke guide signal power source switch.
5. the car of coke oven three according to claim 1 or 2 interlocks PLC control devices, it is characterised in that：The interchanger master control
Room interlocking part also includes control interchanger and exports the 3rd breaker switched to pusher machine signal power source.
6. the car of coke oven three according to claim 1 or 2 interlocks PLC control devices, it is characterised in that：The pusher machine receives
Interlocking signal part includes receiving the 3rd control contactor for allowing coke pushing signal on pusher machine, controls pushing ram on pusher machine
Move ahead the 4th control contactor of action and the 3rd indicator lamp of signal permission coke pushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319111.8U CN206635289U (en) | 2017-03-29 | 2017-03-29 | A kind of car of coke oven three interlocks PLC control devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319111.8U CN206635289U (en) | 2017-03-29 | 2017-03-29 | A kind of car of coke oven three interlocks PLC control devices |
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| Publication Number | Publication Date |
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| CN206635289U true CN206635289U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720319111.8U Active CN206635289U (en) | 2017-03-29 | 2017-03-29 | A kind of car of coke oven three interlocks PLC control devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253956A (en) * | 2020-02-28 | 2020-06-09 | 鞍钢股份有限公司 | Method for controlling sudden stop of coke pushing rod of coke pusher |
-
2017
- 2017-03-29 CN CN201720319111.8U patent/CN206635289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253956A (en) * | 2020-02-28 | 2020-06-09 | 鞍钢股份有限公司 | Method for controlling sudden stop of coke pushing rod of coke pusher |
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